Experts said that in the process of processing glass into a pot lid,glass lid it is necessary to turn the flat glass into an arc shape. At this time, the glass will produce stress. However,glass lid some manufacturers have not eliminated the stress or incompletely.
The tempered glass lid is in use During the process, the stress value will be changed by the influence of temperature and external force. When the stress value is higher than a certain value,glass lid the explosion situation mentioned in the previous news and experiments is prone to occur.
That is to say, the direct cause of the explosion of the pot lid is that the stress of the glass itself is too high, especially when the use environment alternates between cold and heat too fast,glass lid it will cause the glass lid to be fragile. According to our country's "Standard for Tempered Glassware for Catering",glass lid tempered glassware for catering is quenched to form a compressive stress layer on the surface of the glass and a tensile stress layer inside to strengthen the glass and form no sharp edges when broken. Fragments of horns.
In fact, glass products can be seen everywhere in our lives. Glass cups,glass lid glass bath bottles and the so-called glass pot lids usually do not explode during daily use. But experts also said that there is indeed no national standard for the tempered glass of the lid. Tempered glass is more suitable for making doors and windows of cars and buildings, not for making cups,glass lid bowls and other special-shaped curved utensils.
